ArticleIEEE transactions on bio-medical engineering2023
Laparoscopic Photoacoustic Imaging System Based on Side-Illumination Diffusing Fibers.
Article in IEEE transactions on bio-medical engineering, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 13 citations in OpenAlex.
- Robot-assisted minimally invasive photoacoustic imaging for monitoring liver ablation using diffusing fiber illumination.Journal of biomedical optics · 2026Article
- Real-time photoacoustic imaging with freehand light delivery and augmented reality guidance.Photoacoustics · 2026Article
- Spectroscopic photoacoustic denoising framework using hybrid analytical and data-free learning method.Photoacoustics · 2025Article
- Miniaturized side-firing intracardiac photoacoustic imaging catheter for monitoring radiofrequency ablation.Scientific reports · 2025Article
- Cardiac-gated spectroscopic photoacoustic imaging for ablation-induced necrotic lesion visualization.Journal of biophotonics · 2024Article
- Enhancing boundary detection of radiofrequency ablation lesions through photoacoustic mapping.Scientific reports · 2024Article
- Intraoperative laparoscopic photoacoustic image guidance system in the da Vinci surgical system.Biomedical optics express · 2023Article
- Absolute Quantitative Photoacoustic Imaging for Contrast Agents Concentration Estimation Using a Spectral Decomposition Approach.Molecular imagingArticle
Corrections and comments
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
Abstract
objectiveTo develop a flexible miniaturized photoacoustic (PA) imaging probe for detecting anatomical structures during laparoscopic surgery. The proposed probe aimed to facilitate intraoperative detection of blood vessels and nerve bundles embedded in tissue not directly visible to the operating physician to preserve these delicate and vital structures.
methodsWe modified a commercially available ultrasound laparoscopic probe by incorporating custom-fabricated side-illumination diffusing fibers that illuminate the probe's field of view. The probe geometry, including the position and orientation of the fibers and the emission angle, was determined using computational models of light propagation in the simulation and subsequently validated through experimental studies.
resultsIn wire phantom studies within an optical scattering medium, the probe achieved an imaging resolution of 0.43 ±0.09 mm and a signal-to-noise ratio of 31.2±1.84 dB. We also conducted an ex vivo study using a rat model, demonstrating the successful detection of blood vessels and nerves.
conclusionOur results indicate the viability of a side-illumination diffusing fiber PA imaging system for guidance during laparoscopic surgery. SIGNIFICANCE: The potential clinical translation of this technology could enhance the preservation of critical vascular structures and nerves, thereby minimizing post-operative complications.
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Registered trials
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